573 recorded events, 2000–2026, from 15 city data systems. The city's paper trail here is mostly 204 ACRIS deeds & mortgages, 68 DOB complaints, 64 DOB permits.
Full record, year by year Support this site
The city's published records show little recorded distress here in the last three years. Less recorded distress than 62% of 6-24-unit residential buildings citywide. The citywide median for 6-24-unit residential buildings is 16.3 penalty points per 10 units; this building carries 10. In ZIP 10011, 68% of residential buildings hold an A and 5% grade D or F. How grades work
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
No current HPD flags in the latest weekly snapshot: no open violations, no pending litigation, no active vacate orders, and not in the Alternative Enforcement Program.
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
$6,250 in enforcement penalties imposed (ECB/OATH) in the last three years.
2 service requests in the last three years. Most common: Noise (2).
$401,646 in permitted construction work filed since 2016 (7 filings with a declared cost) — a rough measure of how actively the owner maintains the building. Permit costs cover filed construction work only — they do not capture routine maintenance or repairs done without a permit.
| No | Built before 1974 (2005) |
| Yes | Six or more residential units (11) |
| No | 421-a / J-51 tax benefit on the current tax roll |
1 of 3 signals present. Only a partial profile — stabilization is possible but less likely. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).
| Registered owner(s) | 519 West 23rd Street Condominiums |
| Head officer | Chris Swensen |
| Managing agent | Daisy Management |
| Last registered | 2026-06-29 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $546,204 | $245,792 |
| 2026 | $309,469 | $139,261 |
| 2027 | $0 | $0 |
The city's market estimate has fallen 100% between tax years 2025 and 2027.
For property tax, the Department of Finance values this condo as if it were a rental building. Its 2020 estimate: gross income $1,029,600 a year ($42.90 per sq ft), operating expenses $319,920 ($13.33 per sq ft), net operating income $709,680. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Facade (Local Law 11) | UNSAFE — unsafe conditions reported (cycle 10) |
In the FEMA 1%-annual-chance floodplain (2015 preliminary flood maps) — lenders typically require flood insurance here.
Hurricane evacuation zone 1 of 6 — zone 1 evacuates first.
Not in the city's stormwater (cloudburst) flood maps under any modeled scenario.
No street-flooding or sewer-backup complaints on record at this address.
Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.
| Subway | 23 St — C E · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: none 34 St-Hudson Yards — 7 · 0.5 mi straight-line (about a 13-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: W 23 St / 10 Av — M23-SBS · 150 ft · Select Bus Service |
| Citi Bike | W 22 St & 10 Ave · 500 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 033 Chelsea Prep Middle: M.S. 297. Confirm with the DOE's school search. |
Distances are straight-line, not walking routes. Transit locations from the MTA and Citi Bike, bike facilities from NYC DOT, school zones from the DOE's 2024–25 maps.
519 West 23 Street
| Heat or hot water | Heat or hot water |
| Apartment maintenance | Apartment maintenance |
| Bed bugs | Bed bugs |
| Residential pests | Residential pests |
| Rats or mice | Rats or mice |
| Anything else | Anything else |
2 311 service requests from this address in the last three years.
311 will ask for the address, the apartment if the problem is inside, and what's wrong. Contact details are optional for most complaints; food-poisoning reports can be anonymous. Complaints appear in the city's public 311 data, usually within a day or two, and then in the Live from 311 box on this page.
Managed by DAISY MANAGEMENT — 202 buildings, 4,467 units. Grades across the portfolio: A173 · B20 · C6 · D2. See the whole portfolio
showing 60 of 202 buildings
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-09-04 | Deed $1,695,000 — from PETER Y. LEE REVOCABLE TRUST; GABRIELLE LEE, TRUSTEE; PETER Y. LEE, TRUSTEE; GABRIELLE LEE to MORDECHAY ROSENBLUM, AS TRUSTEE; LYNN ROSENBLUM, AS TRUSTEE; MORDECHAY AND LYNN ROS | $1,695,000 | |
| 2026-08-28 | Sold for $1,695,000 | $1,695,000 | $154,091 |
| 2025-06-02 | Mortgage $510,000 — from VAN ELDEN, LEONTINE; BOELENS, JAAP JAN to MEMORIAL SLOAN-KETTERING CANCER CENTER | $510,000 | |
| 2025-06-02 | Deed $2,550,000 — from KEREIAKES, SCOTT HAUER; CHUNG, TINA CHIN to VAN ELDEN, LEONTINE; BOELENS, JAAP JAN | $2,550,000 | |
| 2025-06-02 | Agreement $1,275,000 — from BOELENS, JAAP JAN; VAN ELDEN, LEONTINE to CITIZENS BANK, N.A. | $1,275,000 | |
| 2025-06-02 | Mortgage $510,000 — from BOELENS, JAAP JAN; VAN ELDEN, LEONTINE to MEMORIAL SLOAN-KETTERING CANCER CENTER | $510,000 | |
| 2025-05-22 | Sold for $2,550,000 | $2,550,000 | $231,818 |
| 2025-03-10 | Agreement $2,000,000 — from CHUNG, TINA CHIN; KEREIAKES, SCOTT HAUER to U.S. BANK NATIONAL ASSOCIATION | $2,000,000 | |
| 2024-09-05 | Deed $2,400,000 — from PETER MAINSTAIN, TRUSTEE; SERENITY PROPERTY TRUST to GOLDMAN, ALEXANDRA | $2,400,000 | |
| 2024-08-26 | Sold for $2,400,000 | $2,400,000 | $218,182 |
| 2022-09-19 | Deed $2,337,500 — from FEDER, AMIR; MOTT, CHRISTINE to OUYANG, AS TRUSTEE, YUANYUAN; CHEN, AS TRUSTEE, CHENGFENG; THE CHEN 2020 REVOCABLE TRUST | $2,337,500 | |
| 2022-09-19 | Agreement $1,000,000 — from OUYANG, AS TRUSTEE, YUANYUAN; CHEN, AS TRUSTEE, CHENGFENG; THE CHEN 2020 REVOCABLE TRUST to CITIZENS BANK NA | $1,000,000 | |
| 2022-09-08 | Sold for $2,337,500 | $2,337,500 | $212,500 |
| 2022-01-14 | Agreement $1,793,000 — from WOHN, ULRICH to MORTGAGE ELECTRONIC REGISTRATION SYSTEMS; UBS BANK USA | $1,793,000 | |
| 2021-06-08 | Mortgage $42,542 — from FILICIA, THOMAS L to MAHOPAC BANK | $42,542 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 0 | 1 | 1 | 20 | 22 |
| 2018 | 0 | 2 | 1 | 3 | 13 | 19 |
| 2019 | 0 | 3 | 1 | 10 | 11 | 25 |
| 2020 | 0 | 0 | 0 | 0 | 1 | 1 |
| 2021 | 0 | 3 | 2 | 9 | 2 | 16 |
| 2022 | 2 | 4 | 3 | 9 | 4 | 22 |
| 2023 | 4 | 5 | 3 | 0 | 4 | 16 |
| 2024 | 0 | 0 | 2 | 5 | 4 | 11 |
| 2025 | 9 | 4 | 1 | 13 | 1 | 28 |
| 2026 | 5 | 1 | 0 | 4 | 5 | 15 |
Every one of the 573 recorded events, 2000–2026, is laid out year by year in the full report (print-ready).
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